MLBEDSW-7271: Add license headers to md files

Add license headers to md files and to .pre-commit-config.yaml

Change-Id: Idcca39063217744f0cc52499e2486991c0734668
Signed-off-by: Raul Farkas <raul.farkas@arm.com>
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 468fa35..4f60e96 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,3 +1,19 @@
+# SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+# SPDX-License-Identifier: Apache-2.0
+
+# Licensed under the Apache License, Version 2.0 (the License); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+# www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an AS IS BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 exclude: '^ethosu/vela/(tflite|ethos_u55_regs|tosa)/'
 repos:
 -   repo: https://github.com/pre-commit/mirrors-mypy
diff --git a/API.md b/API.md
index 25a1a16..2504a4f 100644
--- a/API.md
+++ b/API.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020, 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela External APIs
 
 Vela provides a low-level external API to enable Ethos-U code generation from
diff --git a/BUGS.md b/BUGS.md
index c1c499e..3ed6b12 100644
--- a/BUGS.md
+++ b/BUGS.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2021, 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Community Bug Reporting
 
 If the Vela community encounters a bug, then we highly encourage the community
diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
index ff7b443..14567d2 100644
--- a/CONTRIBUTIONS.md
+++ b/CONTRIBUTIONS.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Contributions
 
 Contributions to Vela are very much welcomed!
diff --git a/DEBUG_DB.md b/DEBUG_DB.md
index 7522ad4..6f1b7d0 100644
--- a/DEBUG_DB.md
+++ b/DEBUG_DB.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2021, 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Debug Database
 
 The purpose of the debug database is to track operator transformations during
diff --git a/OPTIONS.md b/OPTIONS.md
index 618b9de..36cd172 100644
--- a/OPTIONS.md
+++ b/OPTIONS.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Options
 
 This file contains a more verbose and detailed description of the Vela
diff --git a/PERFORMANCE.md b/PERFORMANCE.md
index 3731a0e..c6e8baf 100644
--- a/PERFORMANCE.md
+++ b/PERFORMANCE.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2021-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Performance Estimation Summary
 
 This is a description of the performance estimation summary that Vela prints
diff --git a/README.md b/README.md
index 8cabe11..fe0f89b 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela
 
 This tool is used to compile a
diff --git a/RELEASES.md b/RELEASES.md
index c57df80..b73374d 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Releases
 
 These are the release notes for all Vela releases.  They document all of the
diff --git a/SECURITY.md b/SECURITY.md
index 690a04b..c32fa25 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020-2021, 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Security
 
 If you believe you have identified a security related issue or vulnerability,
diff --git a/SUPPORTED_OPS.md b/SUPPORTED_OPS.md
index 80647f8..85ac036 100644
--- a/SUPPORTED_OPS.md
+++ b/SUPPORTED_OPS.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Supported Ops
 
 This file was automatically generated by Vela using the `--supported-ops-report` parameter.  
diff --git a/TESTING.md b/TESTING.md
index 34b1511..91fe9cc 100644
--- a/TESTING.md
+++ b/TESTING.md
@@ -1,3 +1,20 @@
+<!--
+SPDX-FileCopyrightText: Copyright 2020, 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the License); you may
+not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an AS IS BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
 # Vela Testing
 
 ## Tools